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Finding the Fourth Proportional to 71,157.97, 106,700.69 and 23,756.03

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Solution

The fourth proportional to 71,157.97, 106,700.69 and 23,756.03 is: 35,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157.97 : 106,700.69 = 23,756.03 : x
  2. Step 2: Convert to fraction form
    71,157.97/106,700.69 = 23,756.03/x
  3. Step 3: Cross multiply
    71,157.97x = 106,700.69 × 23,756.03
  4. Step 4: Simplify right side
    71,157.97x = 2,534,784,792.66
  5. Step 5: Solve for x
    x = 2,534,784,792.66/71,157.97
  6. Step 6: Final answer
    x = 35,621.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.